valid-, val-, vale-, -vail, -valent, -valence

(Latin: valere, to be strong, to be well, to be worth; strong; power, strength; and "fare well" [go with strength])

Ab abusu ad usum non valet consequentia. (Latin term)

Translation: "The consequences of abuse do not apply to general use."

Used by legal specialists and suggests that a right should not be withheld from people because of others who abuse it.

Ab actu ad posse valet illatio. (Latin term)

Translation: "Inference from what has happened to what will happen is valid."

The social worker was urged to consider ab actu ad posse valet illatio when assessing a case of potential child abuse.

ad valorem; ad val., ad v., a/v; ad valorem tax (Latin terms)

Translation: "According to value or per unit of value; that is, divided by the price."

Many states and federal governments tax energy extraction in this manner.

It also refers to taxes: "In proportion to invoiced value of goods." A term used when imposing customs and stamp duty, the duty increasing according to the value of the transaction of goods involved. Pronounced in English as: ad vuh LOH ruhm.

1. Behavior resulting from two incompatible motivations, often taking the form of a mixture of the two motivational tendencies: Charlene felt an ambivalence about her job since her previous supervisor retired and she now has one with a different approach to how things should be done.
2. The presence of two opposing ideas, attitudes, or emotions at the same time: Matthew has an ambivalence regarding where he should invest his money for his retirement.
3. A feeling of uncertainty about something because of a mental conflict: James was having an ambivalence about when he should have his hip operation because the doctor told him that he should try non-invasive treatments first.

1. Pertaining to the coexistence in one person of contradictory emotions or attitudes; such as, love and hatred towards a person or thing: Mike has ambivalent feelings as to whether his new car is worth so much money.

Mary had been ambivalent about getting married during her early years; now, since she is thirty, she is eager to accept Leslie's proposal of marriage.

2. Relating to the uncertainty as to what course to follow; conveying an indecision: The senator had an ambivalent feeling about which way he would vote on the new bill.

1. To be of use to or to be an advantage for someone: "If Ike were to ever have a flat tire on his car, he will avail himself of the roadside services of the Automobile Service Club to which he is a member."
2. To be useful or to be helpful to another person or to something: "Sadly, the doctor informed the family that there was nothing he could do to avail the condition of the mother's illness."

1. Pertaining to something that is easy or possible to get or to use: "Bert always makes sure that there are available supplies for his family; especially, during the winter."
2. Descriptive of something or someone being present or ready for use: "The welfare organization indicated that it had a list of available workers who could work to complete the project for the homeless people in the city."

Relating to or characterized by being accessible, willing, and ready to help out: "The governing body of the political party was secretive about the availably clandestine funds for its candidates."

Ave atque vale. (AH-weh AHT-kweh WAH-lay)(Latin statement)

Translation: "Hail and farewell."

The Roman's used Ave, "Hail" as the equivalent of "Hello" and vale as the equivalent of "goodbye" and, in addition, as the Roman farewell to the dead.

It is stated that Catullus used this expression in closing a poem on the death of his brother: Atque in perpetuum, frater, ave atque vale. or "And forever, brother, hail and farewell!"

Ave atque vale. (Latin term)

Translation: "Hail and farewell."Ave, "hail", was the Roman equivalent of "hello", and vale the equivalent of "goodbye"; as well as the Roman farewell to the dead. Catullus used this expression in closing a poem on the death of his brother: Atque in perpetuum, frater, ave atque vale or "And forever, brother, hail and farewell!"

1. The physiological accessibility of a given amount of a drug, as distinct from its chemical potency; proportion of the administered dose which is absorbed into the bloodstream: "The local veterinarian was conscious of the bioavailability of the medications which were prescribed for the horses."
2. The degree to which a drug is in place throughout the body and is ready for action at the desired receptor sites: "After receiving an injection, the doctor advised the patient to rest while she monitored the bioavailability of the medication."
3. The extent to which a nutrient or medication can be used by a person: "In order to adjust the medications properly, the doctor monitored the bioavailability of the medication that was prescribed for the patient."

"Bioavailability is used to determine whether different brand-name drugs, a generic name as opposed to a brand-name drug, or, in some cases, different batches of the same brand name drug, will produce the same therapeutic effects."

Descriptive of formulations of a drug of different composition which perform the same function when absorbed in a similar way by the body: "Druggists sometimes refer to the bioequivalent status of a medication relating to a drug that has a similar effect as another drug. It is apparently a curative substance which has nearly the same results in its chemical formulation, but possibly requiring a different amount in order to see the same reaction."